Home / 2,876.02-4,312.60-1,488.98

Finding the Fourth Proportional to 2,876.02, 4,312.60 and 1,488.98

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Solution

The fourth proportional to 2,876.02, 4,312.60 and 1,488.98 is: 2,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.02 : 4,312.60 = 1,488.98 : x
  2. Step 2: Convert to fraction form
    2,876.02/4,312.60 = 1,488.98/x
  3. Step 3: Cross multiply
    2,876.02x = 4,312.60 × 1,488.98
  4. Step 4: Simplify right side
    2,876.02x = 6,421,392.68
  5. Step 5: Solve for x
    x = 6,421,392.68/2,876.02
  6. Step 6: Final answer
    x = 2,232.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.